Original short episodes featuring characters in super-deformed style.

Conan and Ran are visiting Heiji and Kazuha in Osaka when the four come across a trio of kids while touring the city. These children, who look eerily similar to the Detective Boys but with different personalities, are looking for their friend who has gone missing—and the two young detectives agree to help find the vanished boy.

In the far future, the elevated irradiation from the sun has destroyed the environment of the earth and the birthrate of humans has drastically decreased. The government controls society with an army of cloned soldiers called Ideal Children (IC). Sam Coyne is a trader in a desert. One day, he saves a beautiful woman Maya, who has been chased by Theseus, a corps of IC. He shelters her in his trade ship, but the destroyers of Theseus surround Sam and Maya.

Mai, a Santa in training, appears in front of an unlucky boy named Santa on Christmas Eve, promising him that she will make him happy for one night.